erode
US /ɪˈrod/
・UK /ɪ'rəʊd/
B1
verb
- To destroy something gradually; be destroyed thus
- To wear away gradually by water, ice or wind
Examples
The river bank had been steadily eroded over the years.
Walkers should stick to obvious paths, even if they are badly eroded. The experience had seriously eroded his confidence in himself.